The Winter Buzz ! (Factors, Winter 101)
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240 0z CMC Discussion

I was just looking at the 240 CMC in regards to Saturday through Monday.

http://www.meteo.psu.edu/~fxg1/CMC_0z/cmcloop.html

I as well as several others have mentioned how the CMC runs seem to be wrong somehow.  One person mentioned that CMC is due for a big upgrade tomorrow so there could be some bad data in the runs.

But lets put that aside for a moment.  Is there a way this model run is viable?  Or is it just so ridiculously different from GFS, EURO, etc that the solution has to be wrong.

Share your thoughts with support.

Blog started by Jeff McCoach , on 96 days ago
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Jeff McCoach
So very true.
96 days ago
 
John Manetta
I have a feeling there's a lot of people there that would enjoy it.
96 days ago
 
Jeff McCoach
Right on. I thought that maybe it got pulled in as it made that crushing blow and broke RI off into the ocean:)
96 days ago
 
John Manetta
By the way, the third low you see did not phase with the coastal system, it moved eastward.
96 days ago
 
Jeff McCoach
Thanks, John. It is pretty scary huh? Could you imagine that thing hitting New England like that??
96 days ago
 
John Manetta
The 120, 132, 144 hour frames are absurd. It could be an initialization error that led to the outcome, or a bug in the coding, either way, this run of the cmc is out from hour 108 onward as this is when the error showed up and began to propogate into bigger, more ridiculous and unbelievable forecast frames afterward.
96 days ago
 
Jeff McCoach
Look at the three lows on f108 and then follow through to f144.

It has the three lows triple phasing.
96 days ago
 
Jeff McCoach
And the animation on the link doesn't run properly. You have to go frame by frame.
96 days ago
 
Jeff McCoach
The PD storm
96 days ago
 


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